Remove old Python 2 hack #1407

Job	Run time
sdist	1m 2s
ruff	7s
mypy	23s
parse_sdl (macos-latest, 3.2.16)	20s
parse_sdl (windows-latest, 3.2.16)	50s
pyodide	13m 9s
build-macos (pp310-*)	4m 20s
build-macos (cp314t-*_universal2)	3m 18s
tox (ubuntu-latest)	2m 19s
test-docs	2m 18s
linux-wheels (aarch64, cp310-manylinux*)	4m 14s
linux-wheels (aarch64, cp314t-manylinux*)	4m 24s
linux-wheels (aarch64, pp310-manylinux*)	3m 22s
linux-wheels (x86_64, cp314t-manylinux*)	4m 11s
linux-wheels (x86_64, pp310-manylinux*)	3m 25s
build (ubuntu-latest, pypy-3.10, x64)	3m 25s
build (windows-latest, 3.10, x64)	3m 10s
build (ubuntu-latest, 3.14t, x64)	3m 45s
build (ubuntu-latest, 3.10, x64)	3m 38s
build (windows-11-arm, 3.11, arm64)	4m 9s
linux-wheels (x86_64, cp310-manylinux*)	4m 8s
build (windows-latest, pypy-3.10, x64)	4m 1s
build-macos (cp310-*_universal2)	1m 45s
build (windows-11-arm, 3.14t, arm64)	5m 42s
build (windows-latest, 3.14t, x64)	3m 39s
build (windows-latest, 3.14t, x86)	4m 37s
build (windows-latest, 3.10, x86)	3m 30s
publish	0s
	1h 33m 11s

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